Calibration Procedures
1
Keysight U1190A Series Service Guide
27
DC current offset test
This test is for U1194A models only.
1
Place the clamp meter at a stationary position. Keep the clamp jaw closed
without any conductor inside the jaw.
2
Turn the rotary switch of the clamp meter to the DC current function.
3
Verify that the measured readings fall within the specified error limits from the
reference value as stated in
. Repair is required if the clamp meter
fails this test. See
“Open-case adjustment (U1194A only)”
Table 1-3
DC current offset test
Step Test function
Range
Reference input value
Error limit
[a]
1
DC current
40 A
0.00 A
±0.10 A
[a] Specified after the Null function is turned on.
Содержание U1190A Series
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